<div id="wenzi">啦啦啦</div>
<input type="button" value="显示" id="xianshi">
<input type="button" value="隐藏" id="yincang">
<script src="https://cdn.bootcdn.net/ajax/libs/jquery/3.6.0/jquery.js"></script>
<script>
    $('#xianshi').bind('click',function(){
        $('#wenzi').show();
    })
    $('#yincang').bind('click',function(){
        $('#wenzi').hide();
    })
 
    $('#xianshi').click(function(){
        $('#yincang').click();
    })
     
</script>